Ambient office = 92 nanosieverts per hour

 

Ambient outside = 111 nanosieverts per hour

 

Soil exposed to rain water = 110 nanosieverts per hour

 

Vine ripened tomato from Top Foods = 120 nanosieverts per hour

 

Tap water = 119 nanosieverts per hour

 

Filtered water = 95 nanosieverts per hour